EP2264841A3 - Mode locking methods and apparatus - Google Patents
Mode locking methods and apparatus Download PDFInfo
- Publication number
- EP2264841A3 EP2264841A3 EP10179871A EP10179871A EP2264841A3 EP 2264841 A3 EP2264841 A3 EP 2264841A3 EP 10179871 A EP10179871 A EP 10179871A EP 10179871 A EP10179871 A EP 10179871A EP 2264841 A3 EP2264841 A3 EP 2264841A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- fdml
- laser
- mode locking
- detector
- error signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02001—Interferometers characterised by controlling or generating intrinsic radiation properties
- G01B9/02002—Interferometers characterised by controlling or generating intrinsic radiation properties using two or more frequencies
- G01B9/02004—Interferometers characterised by controlling or generating intrinsic radiation properties using two or more frequencies using frequency scans
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02055—Reduction or prevention of errors; Testing; Calibration
- G01B9/02062—Active error reduction, i.e. varying with time
- G01B9/02067—Active error reduction, i.e. varying with time by electronic control systems, i.e. using feedback acting on optics or light
- G01B9/02069—Synchronization of light source or manipulator and detector
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/0209—Low-coherence interferometers
- G01B9/02091—Tomographic interferometers, e.g. based on optical coherence
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- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
- H01S3/1106—Mode locking
- H01S3/1109—Active mode locking
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- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/065—Mode locking; Mode suppression; Mode selection ; Self pulsating
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- H01S2301/00—Functional characteristics
- H01S2301/08—Generation of pulses with special temporal shape or frequency spectrum
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- H01S3/067—Fibre lasers
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
- H01S3/06725—Fibre characterized by a specific dispersion, e.g. for pulse shaping in soliton lasers or for dispersion compensating [DCF]
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- H01S3/06791—Fibre ring lasers
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- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
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- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/08018—Mode suppression
- H01S3/08022—Longitudinal modes
- H01S3/08027—Longitudinal modes by a filter, e.g. a Fabry-Perot filter is used for wavelength setting
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
- H01S3/082—Construction or shape of optical resonators or components thereof comprising three or more reflectors defining a plurality of resonators, e.g. for mode selection or suppression
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- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
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- H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
- H01S3/1062—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using a controlled passive interferometer, e.g. a Fabry-Perot etalon
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- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
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- H01S3/107—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using electro-optic devices, e.g. exhibiting Pockels or Kerr effect
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
- H01S3/1106—Mode locking
- H01S3/1121—Harmonically mode locking lasers, e.g. modulation frequency equals multiple integers or a fraction of the resonator roundtrip time
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
- H01S3/1307—Stabilisation of the phase
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
- H01S3/2383—Parallel arrangements
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- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/14—External cavity lasers
- H01S5/141—External cavity lasers using a wavelength selective device, e.g. a grating or etalon
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- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/14—External cavity lasers
- H01S5/146—External cavity lasers using a fiber as external cavity
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Automation & Control Theory (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Lasers (AREA)
- Semiconductor Lasers (AREA)
- Optical Communication System (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US64535905P | 2005-01-20 | 2005-01-20 | |
EP06719371.4A EP1839375B1 (en) | 2005-01-20 | 2006-01-20 | Mode locking methods and apparatus |
Related Parent Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06719371.4 Division | 2006-01-20 | ||
EP06719371.4A Division-Into EP1839375B1 (en) | 2005-01-20 | 2006-01-20 | Mode locking methods and apparatus |
EP06719371.4A Division EP1839375B1 (en) | 2005-01-20 | 2006-01-20 | Mode locking methods and apparatus |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2264841A2 EP2264841A2 (en) | 2010-12-22 |
EP2264841A3 true EP2264841A3 (en) | 2013-03-20 |
EP2264841B1 EP2264841B1 (en) | 2016-01-20 |
Family
ID=36623484
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10179871.8A Active EP2264841B1 (en) | 2005-01-20 | 2006-01-20 | Mode locking methods and apparatus |
EP06719371.4A Active EP1839375B1 (en) | 2005-01-20 | 2006-01-20 | Mode locking methods and apparatus |
EP20140171028 Withdrawn EP2838167A1 (en) | 2005-01-20 | 2006-01-20 | Mode locking methods and apparatus |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06719371.4A Active EP1839375B1 (en) | 2005-01-20 | 2006-01-20 | Mode locking methods and apparatus |
EP20140171028 Withdrawn EP2838167A1 (en) | 2005-01-20 | 2006-01-20 | Mode locking methods and apparatus |
Country Status (3)
Country | Link |
---|---|
US (1) | US7414779B2 (en) |
EP (3) | EP2264841B1 (en) |
WO (1) | WO2006079078A2 (en) |
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AU2013211513B2 (en) * | 2008-10-22 | 2015-03-26 | Massachusetts Institute Of Technology | Fourier domain mode locking |
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US3447856A (en) * | 1966-10-07 | 1969-06-03 | Bell Telephone Labor Inc | Optical pulse multiplier |
US5263037A (en) | 1990-08-01 | 1993-11-16 | Hewlett-Packard Company | Optical oscillator sweeper |
US5956355A (en) | 1991-04-29 | 1999-09-21 | Massachusetts Institute Of Technology | Method and apparatus for performing optical measurements using a rapidly frequency-tuned laser |
DE69212927T2 (en) * | 1991-07-22 | 1997-02-27 | Hewlett Packard Co | Continuously tunable optical resonator |
KR100269040B1 (en) * | 1998-04-28 | 2000-10-16 | 서원석 | Wavelength-swept laser and method for its operation |
WO2000011766A1 (en) * | 1998-08-20 | 2000-03-02 | Orbotech Ltd. | Laser repetition rate multiplier |
US6282215B1 (en) * | 1998-10-16 | 2001-08-28 | New Focus, Inc. | Continuously-tunable external cavity laser |
SE516645C2 (en) * | 2000-06-27 | 2002-02-05 | Proximion Fiber Optics Ab | Method and arrangement of Bragg optical reflectors |
-
2006
- 2006-01-20 EP EP10179871.8A patent/EP2264841B1/en active Active
- 2006-01-20 EP EP06719371.4A patent/EP1839375B1/en active Active
- 2006-01-20 EP EP20140171028 patent/EP2838167A1/en not_active Withdrawn
- 2006-01-20 US US11/337,105 patent/US7414779B2/en active Active
- 2006-01-20 WO PCT/US2006/002476 patent/WO2006079078A2/en active Application Filing
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US5590142A (en) * | 1993-02-25 | 1996-12-31 | British Telecommunications Public Limited Company | Mode-locked fibre ring laser stabilization |
US5574739A (en) * | 1995-05-12 | 1996-11-12 | The United States Of America As Represented By The Secretary Of The Navy | Polarization-stable pulsed laser |
US5786930A (en) * | 1996-01-25 | 1998-07-28 | Ando Electric Co., Ltd. | Optical frequency sweep signal generator |
WO2003096106A1 (en) * | 2002-05-10 | 2003-11-20 | Egnell, Lars | Scanning light source |
Also Published As
Publication number | Publication date |
---|---|
US7414779B2 (en) | 2008-08-19 |
EP1839375B1 (en) | 2014-06-04 |
EP1839375A2 (en) | 2007-10-03 |
WO2006079078A3 (en) | 2006-08-31 |
US20060187537A1 (en) | 2006-08-24 |
WO2006079078A2 (en) | 2006-07-27 |
EP2264841A2 (en) | 2010-12-22 |
EP2264841B1 (en) | 2016-01-20 |
EP2838167A1 (en) | 2015-02-18 |
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